Observer Based Fault Diagnosis

超音频串联谐振式感应加热电源为研究对象，应用锁相环和PID 技术，采用数字信号处理器(DSP)和复杂可编程逻辑器件(CPLD)联合控制的数字化技术实现感应加热电源的频率跟踪和0°～180° 自由移相调功，为感应加热电源系统的数字化、信息化、柔性化、智能化控制提供了优质、可靠的技术基础。(Superaudio series resonant induction heating power supply as the research object, the application of PLL and PID technology, using digital signal processor (DSP) and complex programmable logic device (CPLD) to achieve frequency tracking of induction heating power supply and 0 degrees to 180 degrees of freedom PS-PWM digital technology combined control for induction heating power supply system. Digital information, flexible and intelligent control to provide high-quality and reliable technical basis.)

JS网页软键盘示例下载，用在网页上的虚拟键盘效果，在一些安全支付场合中很有必要软键盘的功能，本JS虚拟键盘来自国外JavaScript达人所创作，兼容性良好，软键盘操作舒服，在IE8下完美运行。

说明：  在矩形方框中随机生成半径不同的圆，用于模拟多孔介质(Randomly generate circles with different radii in rectangular box to simulate porous media)

发射，接收通信系统仿真。 1.卷积编码，解码； 2.16QAM，2FSK，2ASK，2PSK调制，解调； 3.误码曲线和误码率计算。(Fired, receiving communication system simulation. 1. Convolutional encoding, decoding 2.16QAM, 2FSK, 2ASK, 2PSK modulation, demodulation 3. BER curves and BER calculation.)

智能企业建站系统，该系统能让用户在短时间内迅速架设属于自己公司的企业网站。(Intelligent Enterprise Station Building System, which enables users to quickly set up their own company website in a short time.)

induction motorprotection

wincc tia manual guide

C# Winform版窗体折叠菜单，向右展开的菜单，默认情况下是折叠的，当点击菜单中的最下面一项“展开关闭其它项”的时候，菜单会全部伸展开来，显示出全部的菜单内容，这样做的好处是不容置疑的，也是比较流行的一种菜单方式。

这是一个瑞杰的软件，主要用于上网的应用程序。-This is a瑞杰software, mainly for Internet applications.

服务台的售票处，假设各顾客的到达时间间隔和服务时间均服从负指数分布，到达率λ=10人/分钟，服务率μ=6人/分钟，等待队长N=20人，仿真时间Total_time=10分钟。使用本程序仿真出的各顾客到达时刻与离开时刻曲线，等待时间与停留时间曲线.(Help desk ticket, assuming that each customer' s arrival time and service time obeys the negative exponential distribution, the arrival rate λ = 10 persons/minute, service rate μ = 6 persons/minute, waiting for Captain N = 20 people, simulation time Total_time = 10 minutes. Simulation using this program out of time with each customer to leave the moment of arrival curve, waiting time and stay time curve.)